WO2017006529A1 - Film de revêtement stratifié et article revêtu - Google Patents

Film de revêtement stratifié et article revêtu Download PDF

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Publication number
WO2017006529A1
WO2017006529A1 PCT/JP2016/003017 JP2016003017W WO2017006529A1 WO 2017006529 A1 WO2017006529 A1 WO 2017006529A1 JP 2016003017 W JP2016003017 W JP 2016003017W WO 2017006529 A1 WO2017006529 A1 WO 2017006529A1
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WO
WIPO (PCT)
Prior art keywords
formula
containing layer
coating film
value
glittering material
Prior art date
Application number
PCT/JP2016/003017
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English (en)
Japanese (ja)
Inventor
貴和 山根
浩司 寺本
文美 平野
圭一 岡本
Original Assignee
マツダ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by マツダ株式会社 filed Critical マツダ株式会社
Priority to CN201680034781.3A priority Critical patent/CN107847964A/zh
Priority to US15/741,827 priority patent/US20180193878A1/en
Priority to EP16821008.6A priority patent/EP3320984B1/fr
Priority to ES16821008T priority patent/ES2935774T3/es
Priority to DE112016002672.2T priority patent/DE112016002672T5/de
Priority to MX2018000136A priority patent/MX2018000136A/es
Priority to RU2018104318A priority patent/RU2686902C1/ru
Priority to CA2990551A priority patent/CA2990551A1/fr
Publication of WO2017006529A1 publication Critical patent/WO2017006529A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/57—Three layers or more the last layer being a clear coat
    • B05D7/577—Three layers or more the last layer being a clear coat some layers being coated "wet-on-wet", the others not
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B05D7/16—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies using synthetic lacquers or varnishes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/57—Three layers or more the last layer being a clear coat
    • B05D7/572—Three layers or more the last layer being a clear coat all layers being cured or baked together
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B05D2202/10—Metallic substrate based on Fe

Definitions

  • the present invention relates to a laminated coating film and a painted product.
  • a plurality of coating films are stacked on the surface of a base material such as a car body or a car part to protect the base material and improve the appearance.
  • a dark paint containing a dark pigment carbon black
  • a metallic paint containing scaly aluminum pigment is applied, and further a clear paint is applied.
  • Patent Document 2 describes a metallic coating composition containing three types of aluminum flake pigments A to C having different average particle diameters D50 and average thicknesses.
  • the aluminum flake pigment A has an average particle diameter D50 of 13 to 40 ⁇ m and an average thickness of 0.5 to 2.5 ⁇ m.
  • the aluminum flake pigment B has an average particle diameter D50 of 13 to 40 ⁇ m and an average thickness of 0.01 to 0.5 ⁇ m.
  • the aluminum flake pigment C has an average particle diameter D50 of 4 to 13 ⁇ m and an average thickness of 0.01 to 1.3 ⁇ m.
  • Aluminum flake pigments A to C have a solid content mass ratio of A / B of 10/90 to 90/10, (A + B) / C of 90/10 to 30/70, and resin solid content of 100 parts by mass.
  • the amount of (A + B + C) is 5 to 50 parts by mass in terms of solid content.
  • Patent Document 3 describes that a paint containing a flat glitter material made of aluminum is applied to a resin base material to obtain a glitter coating film having glitter and electromagnetic wave transparency.
  • the glitter material is oriented so that its plane is along the surface of the coating film, and the average number of overlapping layers y, which is the average number of glitter materials intersecting with one orthogonal line orthogonal to the coating film surface, and the same orthogonal line.
  • the average distance between the bright materials x which is the average of the distances between the intersecting bright materials on the orthogonal line, satisfies a predetermined relational expression.
  • FF property flip-flop property
  • FI flip index
  • the glittering material for example, aluminum flakes
  • the scattered light by the glittering material is certainly reduced and the specular reflection light becomes stronger.
  • the brightness value at the highlight is increased and the brightness value at the shade is decreased, so that the FI value is increased.
  • the specular reflection of the glittering material-containing layer becomes too strong by controlling the orientation of the glittering material, etc., only a part of the regular reflection of light becomes brighter (looks whitish). That is, it looks brightest when viewed from an angle equal to the angle of the incident light, and the brightness rapidly decreases as the viewpoint angle shifts even in the vicinity of the regular reflection direction. In other words, there is no spread in the highlight portion, that is, a feeling of shining on the surface with a certain extent cannot be obtained, and the appearance is deteriorated.
  • the FI value represents the intensity of lightness in the vicinity of the regular reflection direction with respect to the lightness in the shade
  • a low lightness in the vicinity of the regular reflection direction means that the FI value is also small.
  • the scattering of light by the glittering material is increased in order to increase the lightness in the vicinity of the regular reflection direction, the lightness is also increased in the shade at the same time, and an outstanding FF property cannot be obtained.
  • an object of the present invention is to improve the FF property and enhance the metal texture in metallic coating.
  • the regular reflection characteristics of the glittering material-containing layer by the glittering material are controlled, and the scattered light from the glittering material is absorbed by the coloring material and the colored underlayer of the glittering material-containing layer.
  • the laminated coating film disclosed herein includes a colored foundation layer containing a coloring material formed directly or indirectly on the surface of an object to be coated, and a flake-like glittering material and a coloring material superimposed on the colored foundation layer.
  • a glittering material-containing layer containing a material, Reflection measured at a light receiving angle (tilt angle from the regular reflection direction to the light source side) at 10 ° with respect to the Y value calibrated with the standard white plate of the XYZ color system in the state where the coloring material is not included in the glittering material-containing layer.
  • Y (20 °) k ⁇ Y (10 °) (where k is a coefficient), Y (10 °), k, and C are coordinates (Y (10 °) in a three-dimensional orthogonal coordinate space in which the three variables Y (10 °), k, and C are set on the x, y, and z coordinate axes.
  • K, C) are surrounded by the planes represented by the following eight formulas A to H, respectively, and the surface represented by the formula C and the plane represented by the formula F form a concave ridge angle.
  • the surface represented by D and the surface represented by the formula G are in a relationship satisfying a condition that the surface is within a range defined by an octahedron forming a convex ridge angle.
  • the Y value of the XYZ color system is a stimulus value representing brightness (luminous reflectance). According to the above conditions, 50 ⁇ Y (10 °) ⁇ 850 and 0.2 ⁇ k ⁇ 0.6. In short, this means that the brightness in the vicinity of the regular reflection direction is increased. Brightness in the vicinity of the regular reflection direction is high due to irregular reflection (diffuse reflection) of incident light generated at the edge of the bright material and scattering of incident light from the surface of the bright material.
  • diffuse reflection diffuse reflection
  • scattering is a phenomenon in which incident light can change its direction to another direction. Used for meaning.
  • Y (20 °) is reduced at an appropriate reduction rate (coefficient k) according to Y (10 °) (see FIG. 10).
  • coefficient k coefficient k
  • Y (10 °) 100
  • k is approximately 0.2 to 0.4
  • Y (20 °) is 20 to 40.
  • Y (10 °) 400
  • k is 0.2 to 0.6
  • Y (20 °) is 80 to 240.
  • Y (10 °) 700, k is about 0.4 to 0.6, and therefore Y (20 °) is 280 to 420.
  • the colorant concentration C is low, and as the coefficient k is large, the colorant concentration C is high.
  • the case where the coefficient k is small is a case where Y (10 °) is relatively low.
  • the coefficient k is large.
  • the colorant concentration C is increased to absorb the diffuse reflected light by the bright material, that is, to improve the FF property.
  • the coated material spreads by increasing Y (10 °) and setting the decrease in Y value from Y (10 °) to Y (20 °) as described above. It becomes shining on a certain “surface”, and it is advantageous for obtaining outstanding FF characteristics. That is, light that is diffusely reflected or scattered by the glitter material, particularly scattered light that is multiple-reflected between two or more glitter materials, is absorbed by the coloring material of the glitter material-containing layer and passes through the gaps between the glitter materials. The light reaching the colored underlayer is absorbed by the coloring material of the colored underlayer.
  • the brightness in the shade can be greatly reduced.
  • the degree of decrease of Y (10 °) ⁇ Y (20 °) it is easy to adjust the brightness of the shade by the coloring material and the colored underlayer of the glittering material-containing layer. It becomes advantageous for improvement of FF property.
  • the orientation of the glittering material (orienting the glittering material in parallel with the surface of the glittering material-containing layer) is improved, and that light easily hits the glittering material. And an increase in brightness at highlights.
  • the particle size of such aluminum flakes is preferably 8 ⁇ m or more and 20 ⁇ m or less.
  • the particle size is less than 8 ⁇ m, the orientation deteriorates.
  • the particle size exceeds 20 ⁇ m, a part of the aluminum flakes protrudes from the glittering material-containing layer, and the corrosion resistance may be lowered.
  • the thickness of the aluminum flakes is preferably 25 nm or more and 200 nm or less. If the aluminum flakes become excessively thin, the proportion of light that passes through the flakes increases, which is disadvantageous in increasing the brightness at highlights. In addition, when the aluminum flakes are too thin with respect to the particle diameter, the aluminum flakes are easily deformed, which is disadvantageous for the orientation. From this viewpoint, the thickness of the aluminum flakes is preferably 0.4% or more of the particle size, for example, 30 nm or more. On the other hand, when the aluminum flakes are excessively thick, the orientation thereof is lowered, and the volume ratio of the aluminum flakes in the glittering material-containing layer necessary for securing the glitter is increased, and the physical properties of the coating film are lowered. Therefore, the thickness of the aluminum flakes is preferably 200 nm or less. More preferably, the thickness of the aluminum flake is 80 nm or more and 150 nm or less.
  • the aluminum flakes preferably have a surface roughness Ra of 100 nm or less in order to suppress irregular reflection or scattering of light.
  • the colored underlayer preferably has a surface smoothness of 8 or less as measured by WK-Gardner's WaveScan® DOI (trade name). Thereby, the orientation of the glittering material is improved, which is advantageous in increasing the brightness in highlights.
  • the surface smoothness of the colored underlayer is more preferably 6 or less in terms of Wd.
  • the surface roughness Ra of the colored underlayer is preferably 5% or less of the particle size (preferably 8 ⁇ m or more and 20 ⁇ m or less) of the glittering material.
  • the glittering material-containing layer preferably has a thickness of 1.5 ⁇ m to 6 ⁇ m. Thereby, the orientation of the glittering material is improved, which is advantageous in increasing the brightness in highlights.
  • the thickness of the glittering material-containing layer is more preferably 20% or less (1.5 ⁇ m or more and 4 ⁇ m or less) of the particle diameter of the glittering material. This is to regulate the orientation angle of the glitter material (the angle formed by the glitter material-containing layer surface and the glitter material) by the thickness of the glitter material-containing layer. By reducing the thickness of the glitter material-containing layer, the orientation angle of the glitter material is reduced. Becomes smaller. It is preferable that the orientation angle of the glittering material is 3 degrees or less, and further 2 degrees or less.
  • the coloring material of each of the colored underlayer and the glittering material-containing layer is a dark color system such as black or red having a low visible light reflectance (Munsell brightness is 5 or less), particularly a black color system.
  • a dark color system such as black or red having a low visible light reflectance (Munsell brightness is 5 or less), particularly a black color system.
  • the present invention uses light absorption by the colored underlayer to reduce the lightness in the shade. Therefore, when a dark colorant having a low visible light reflectance is used as the colorant, the FI value is high. It becomes advantageous for improvement of FF property.
  • colorant either a pigment or a dye can be used, and two or more kinds of colorants can be mixed and used (mixed color).
  • the coloring material of the colored base layer and the coloring material of the glittering material-containing layer are of the same color system. As a result, the turbidity of the coating color is suppressed, and the denseness, depth, and metal texture are enhanced.
  • the brightness difference in the Munsell value of the comparison target color is 5.0 or less.
  • the Munsell hue circle is divided into 100 and one hue of the comparison target color is set as a reference (0 position), and the counterclockwise rotation is displayed at +50 and clockwise rotation at -50, It is desired that the other hue is within a hue range of ⁇ 10.
  • the coloring material of each of the colored underlayer and the glittering material-containing layer is black. Thereby, it is possible to obtain a gray color having a high FI value and a high metal texture.
  • a transparent clear layer is directly laminated on the glittering material-containing layer. Therefore, acid resistance and scratch resistance can be obtained by the transparent clear layer.
  • Examples of the coated object provided with the above-mentioned laminated coating film on the object to be coated include an automobile body, a motorcycle, other vehicle bodies, and other metal products. .
  • a luminescent material-containing layer containing a flake-like glitter material and a colorant is overlaid on a colored underlayer containing a colorant, and the glitter material-containing layer contains an XYZ color in a state not containing the colorant.
  • Y (10 °) of the system is set to 50 to 850
  • Y (20 °) k ⁇ Y (10 °)
  • k value is set according to Y (10 °). Since the colorant concentration C of the glittering material-containing layer is set according to the k value, the coated object becomes shining on a “surface” having a certain extent of spread, and an outstanding FF property can be obtained. .
  • Sectional drawing which shows a laminated coating film typically.
  • Sectional drawing which shows typically light scattering by the luminous material of the conventional laminated coating film, and irregular reflection of the light by a base layer.
  • Sectional drawing which shows typically control of the scattered light by the laminated coating film which concerns on this invention.
  • Explanatory drawing of the reflected light which concerns on calculation of FI value.
  • the graph which shows an example of the angle dependence of Y (10 degrees) in the state which does not contain the coloring material of a glittering material content layer.
  • Explanatory drawing which shows the measuring method of Y value.
  • the graph which shows the preferable range of Y (10 degrees) and a coloring material density
  • concentration in the coefficient k 0.4.
  • concentration in the coefficient k 0.2.
  • concentration in the coefficient k 0.6.
  • FIG. The graph which shows the range where FI value becomes 30 or more regarding Y (10 degrees), the coefficient k, and the coloring material density
  • FIG. The graph which shows the range where FI value becomes 35 or more regarding Y (10 degrees), the coefficient k, and the coloring material density
  • the laminated coating film 12 provided on the surface of the vehicle body (steel plate) 11 of the automobile of this embodiment is formed by laminating a colored underlayer 14, a glittering material-containing layer 15, and a transparent clear layer 16 in this order.
  • An electrodeposition coating (undercoat) 13 is formed on the surface of the vehicle body 11 by cationic electrodeposition coating, and the laminated coating 12 is provided on the electrodeposition coating 13.
  • the colored underlayer 14 corresponds to an intermediate coating
  • the glittering material-containing layer 15 and the transparent clear layer 16 correspond to a top coating.
  • a dark pigment 21 is dispersed in the colored base layer 14.
  • a dark pigment 23 having the same color as the pigment 21 of the flake-like glittering material 22 and the colored underlayer 14 is dispersed.
  • pigments 21 and 23 pigments of various hues such as black pigments such as carbon black, perylene black, and aniline black, or red pigments such as perylene red can be employed.
  • Carbon black having a particle size distribution having a peak in a particle size range of 300 nm or more and 500 nm or less is adopted as the pigment 21, and carbon black having a particle size distribution having a peak in a particle size range of 200 nm or less is adopted as the pigment 23. Is particularly preferred.
  • the surface smoothness of the colored underlayer 14 is 8 or less as measured by WaveScanWDOI (trade name) manufactured by BYK-Gardner, and the thickness of the glittering material-containing layer 15 is 1.5 ⁇ m or more and 6 ⁇ m. It is as follows.
  • the glitter material 22 of the glitter material-containing layer 15 has a thickness of 25 nm or more and 200 nm or less, and is oriented so as to be substantially parallel to the surface of the glitter material-containing layer 15. That is, the orientation angle of the glitter material 22 with respect to the surface of the glitter material containing layer 15 is 3 degrees or less.
  • the orientation angle of the glitter material 22 is reduced by utilizing the fact that the coating film is contracted and thinned by evaporation of the solvent by baking. Arrange them to be 3 degrees or less (preferably 2 degrees or less).
  • the resin component of the colored base layer 14 for example, a polyester-based resin can be employed, and as the resin component of the glittering material-containing layer 15, for example, an acrylic-based resin can be employed.
  • an acrylic-based resin for example, an acrylic-based resin can be employed.
  • an acid epoxy curable acrylic resin can be employed.
  • the pigment 23 contained in the glittering material-containing layer 15 contributes to increasing the FI value by absorbing the scattered light.
  • the FI value increases.
  • Dashed arrows indicate that the scattered light is weakened by the pigment 23.
  • the scattered light reaching the colored underlayer 14 is absorbed by the colored underlayer 14. That is, irregular reflection is suppressed. As a result, the FI value increases.
  • the FI value is 45 from the regular reflection direction to the incident direction side when light is incident on the surface of the laminated coating film 12 at an angle of 45 ° from the normal to the surface.
  • the value is obtained by the following equation.
  • FIG. 5 shows an example of the angle-dependent characteristics of the Y value calibrated with a standard white plate of the XYZ color system in a state where the coloring material of the glittering material-containing layer is not included.
  • FIG. 6 shows a method for measuring the Y value.
  • the irradiation angle of the light source 41 to the glittering material-containing layer 15 is 45 °.
  • the light receiving angle by the sensor 42 is 0 ° in the regular reflection direction.
  • GCMS-4 a three-dimensional variable angle spectrocolorimetry system manufactured by Murakami Color Research Co., Ltd.
  • the Y value of the reflected light measured at a light receiving angle (tilt angle from the regular reflection direction to the light source side) of 10 ° is Y (10 °)
  • the Y value of the reflected light measured at a light receiving angle of 20 ° is Y (20 °).
  • k is a coefficient, and 0.2 ⁇ k ⁇ 0.6. This will be specifically described below.
  • FIG. 10 shows the vertices a to h, a ′ to h ′, a ′′ to h ′′ in FIGS. 7 to 9 in the two-dimensional orthogonal coordinate system in which two variables of Y (10 °) and coefficient k are set as coordinate axes. Plotting shows the relationship between Y (10 °) and coefficient k. Thus, the preferable range of the coefficient k differs depending on Y (10 °).
  • FIG. 11 plots the vertices a to h, a ′ to h ′, and a ′′ to h ′′ in a two-dimensional orthogonal coordinate system in which two variables of the coefficient k and the colorant concentration C are set as coordinate axes. This shows the relationship of the colorant concentration C.
  • the preferable range of the colorant concentration C differs depending on the coefficient k.
  • the range where the FI value is 30 or more is shown in FIG.
  • the variable can be expressed in the three-dimensional orthogonal coordinate space on the x, y, and z coordinate axes.
  • the polyhedral figure shown in FIG. 12 is formed by arranging the vertices a to d, a 'to d', and a "to d" in a three-dimensional orthogonal coordinate space.
  • This polyhedron is surrounded by a total of ten planes A to J each including four vertices shown in Table 1.
  • the polyhedron shown in FIG. 12 is an octahedron surrounded by a total of eight planes of the A plane to the H plane. Further, in this octahedron, the C surface and the F surface form a concave ridge angle, and the D surface and the G surface form a convex ridge angle.
  • the polyhedron shown in FIG. 12 is surrounded by planes represented by eight formulas A to H shown in Table 1, and the plane represented by formula C and the plane represented by formula F form a concave ridge angle.
  • the surface represented by Formula D and the surface represented by Formula G are octahedrons that form convex ridge angles.
  • the range in which the FI value is 35 or more is also represented by the three variables Y (10 °), k, and C as shown in FIG. It can be expressed by the three-dimensional orthogonal coordinate space placed on the x, y, and z coordinate axes. That is, this polyhedron figure is formed by arranging the vertices e to h, e 'to h' and e "to h" in a three-dimensional orthogonal coordinate space, and each of the four vertices shown in Table 2 is formed. A total of 10 planes A ′ to J ′ are included. Table 10 shows the above 10 plane equations.
  • the polyhedron shown in FIG. 13 is an octahedron surrounded by a total of eight planes from the A ′ plane to the H ′ plane.
  • the C ′ plane and the F ′ plane form a concave ridge angle
  • the D ′ plane and the G ′ plane form a convex ridge angle.
  • the polyhedron shown in FIG. 13 is surrounded by planes represented by eight formulas A ′ to H ′ shown in Table 2, and a plane represented by formula C ′ and a plane represented by formula F ′ are It can be said that the concave ridge angle is formed, and the surface represented by the formula D ′ and the surface represented by the formula G ′ are octahedrons forming the convex ridge angle.
  • Y (10 °) the coefficient k, and the colorant concentration C satisfy the condition that the coordinates (Y (10 °), k, C) exist within the range defined by the octahedron.
  • the FI value is 35 or more.
  • Y (10 °) in the state containing the colorant of the glittering material-containing layer is 50.
  • Each paint of the colored underlayer, the glittering material-containing layer, and the transparent clear layer was applied on a steel material by wet-on-wet and then baked (heated at 140 ° C. for 20 minutes).
  • Commercially available carbon black was used as the pigment for the colored underlayer.
  • fine carbon black is adopted as the pigment, aluminum flakes (average particle size 12 ⁇ m, thickness 110 nm, surface roughness Ra ⁇ 100 nm) are adopted as the glittering material, and the orientation angle is 2 degrees or less. I did it.
  • Y (10 °) is 519 and Y (20 °) is 198 when the pigment is not contained in the glittering material-containing layer.
  • Example 2 of multilayer coating (red color development)- Table 4 shows the coating composition of this example.
  • the difference from the multilayer coating film example 1 is that not the carbon black but the perylene red is adopted as the pigment of the glittering material-containing layer, and other configurations and manufacturing methods are the same as those of the multilayer coating film example.
  • Y (10 °) is 519 and Y (20 °) is 198 when the pigment is not contained in the glittering material-containing layer.
  • -Laminated coating film example 3 (red color)- Table 5 shows the coating composition of this example.
  • the difference from the multilayer coating film example 1 is that perylene red is used instead of carbon black as the pigment of the glittering material-containing layer and the colored underlayer, and the other configuration and manufacturing method are the same as those of the multilayer coating film example 1 It is.
  • Y (10 °) is 519 and Y (20 °) is 198 when the pigment is not contained in the glittering material-containing layer.
  • the FI value of the laminated coating film example 2 is lower than that of the laminated coating film example 1 (gray color development).
  • the red pigment (perylene red) of the glittering material-containing layer of the laminated coating film example 2 is recognized to strongly reflect light in the visible light high wavelength region. That is, it is recognized that the FI value is low because light is irregularly reflected by the red pigment and the red pigment has a weaker absorption of scattered light by the bright material than the black pigment.
  • the FI value of the laminated coating film example 3 is lower than that of the laminated coating film example 2.
  • the red pigment is used for the colored underlayer, that is, the light absorption by the colored underlayer is weaker than that of the black pigment.

Abstract

L'invention concerne un revêtement métallique dont les propriétés bistables sont améliorées, et la texture métallique est accrue. L'objet de l'invention est équipé : d'une sous-couche colorée (14) formée directement ou indirectement sur la surface d'un article à revêtir (11) ; et d'une couche (15) comprenant un matériau brillant qui est superposée sur la sous-couche colorée (14) et qui comprend un matériau brillant (22) en paillettes et un matériau colorant (23). Dans un état tel que la couche (15) comprenant un matériau brillant ne contient pas de matériau colorant, et lorsque Y(10°) d'un système couleur XYZ est supérieur ou égal à 50 et inférieur ou égal à 850, lorsque Ｙ(20゜)＝ｋ×Ｙ(10°) et lorsque ０,２≦ｋ≦０,６, alors une valeur k est établie selon Ｙ(10°), et la concentration en matériau colorant de la couche comprenant un matériau brillant est établie selon la valeur k.
PCT/JP2016/003017 2015-07-08 2016-06-22 Film de revêtement stratifié et article revêtu WO2017006529A1 (fr)

Priority Applications (8)

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CN201680034781.3A CN107847964A (zh) 2015-07-08 2016-06-22 叠层涂膜及涂装物
US15/741,827 US20180193878A1 (en) 2015-07-08 2016-06-22 Multilayer coating film and coated article
EP16821008.6A EP3320984B1 (fr) 2015-07-08 2016-06-22 Film de revêtement stratifié et article revêtu
ES16821008T ES2935774T3 (es) 2015-07-08 2016-06-22 Película de revestimiento multicapa y artículo revestido
DE112016002672.2T DE112016002672T5 (de) 2015-07-08 2016-06-22 Mehrschichtiger Beschichtungsfilm und beschichtetes Erzeugnis
MX2018000136A MX2018000136A (es) 2015-07-08 2016-06-22 Pelicula de revestimiento de multiples capas y articulo revestido.
RU2018104318A RU2686902C1 (ru) 2015-07-08 2016-06-22 Многослойная пленка покрытия и покрытый объект
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WO2017146150A1 (fr) * 2016-02-26 2017-08-31 マツダ株式会社 Pellicule protectrice stratifiée et article revêtu
WO2018139429A1 (fr) * 2017-01-25 2018-08-02 マツダ株式会社 Film de revêtement multicouche et objet revêtu
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MX2018011549A (es) * 2016-09-30 2019-01-24 Mazda Motor Pelicula de recubrimiento mutiestratificado y articulo recubierto.
CN111655386B (zh) * 2018-01-16 2022-06-03 关西涂料株式会社 多层涂膜形成方法
JP7187779B2 (ja) * 2018-02-14 2022-12-13 大日本印刷株式会社 包装材、包装容器及び蓋体
JP2021115856A (ja) * 2020-01-24 2021-08-10 関西ペイント株式会社 複層塗膜及び複層塗膜形成方法

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EP3320984A4 (fr) 2019-03-06
DE112016002672T5 (de) 2018-03-01
EP3320984A1 (fr) 2018-05-16
RU2686902C1 (ru) 2019-05-06
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US20180193878A1 (en) 2018-07-12
CN107847964A (zh) 2018-03-27
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